Before AstroTurf, domed stadiums, and modern drainage systems, rain could transform an NFL field into a muddy battlefield, making games look more like trench wa

Before AstroTurf, domed stadiums, and modern drainage systems, rain could transform an NFL field into a muddy battlefield, making games look more like trench warfare than football. When rain entered the equation, football fields could become nearly impossible to play on. Cleats were sometimes taped…